Retrosuperfuture America Sunglasses pair a compact acetate frame with sturdy metal temples for a contemporary, structured look. The model is designed for everyday wear with clear geometric lines and polished detailing. Key attributes: Black | Francis black | Acetate and metal | CR-39 lenses | UVA/UVB protection | Full-rim frame | Metal temples | Geometric frame shape | Shiny black acetate with contrasting gold metal temples | RSF X logo on temples | Dimensions & fit: Lens width: 52 mm | Bridge: 18 mm | Temple length: 145 mm | Frame front: 139 mm | Regular size (R) | Composition & care: Acetate | Metal | CR-39 (lens) | Wipe lenses with a microfiber cloth and store in a protective case when not in use.